PMC:7160611 / 7448-7552 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T60","span":{"begin":0,"end":104},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The radiographers in charge of operating equipment can adopt the first or secondary level of protection."}